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WO2018147509A1 - Dispositif d'activation de carte rf - Google Patents

Dispositif d'activation de carte rf Download PDF

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Publication number
WO2018147509A1
WO2018147509A1 PCT/KR2017/005442 KR2017005442W WO2018147509A1 WO 2018147509 A1 WO2018147509 A1 WO 2018147509A1 KR 2017005442 W KR2017005442 W KR 2017005442W WO 2018147509 A1 WO2018147509 A1 WO 2018147509A1
Authority
WO
WIPO (PCT)
Prior art keywords
card
layer
reader
magnetic force
selection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/005442
Other languages
English (en)
Korean (ko)
Inventor
천병욱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongxin Korea Co ltd
Original Assignee
Zhongxin Korea Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongxin Korea Co ltd filed Critical Zhongxin Korea Co ltd
Publication of WO2018147509A1 publication Critical patent/WO2018147509A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/354—Card activation or deactivation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition

Definitions

  • the present invention relates to an RF card using apparatus, and more particularly, to an RF card activating device that can be used as a payment or communication card only with a specific RF card when carrying a plurality of RF cards.
  • a terminal (particularly a traffic terminal) having an RFID reader for a smart card using 13.56 MHz has no display for displaying information of a smart card or a display made of a FND or a small LCD and a loop antenna for RFID.
  • a smart card is an electronic credit card that can contain a large amount of information by mounting an integrated circuit (IC) memory device.
  • IC integrated circuit
  • the ISO standard refers to all cards in which one or more ICs are embedded. Developed in France, it is used for financial institutions, health insurance cards, transportation cards and credit cards. Also called an IC card or chip card.
  • magnétique card Compared to the existing magnetic card (magnetic card), it has a very large memory capacity, high function and stability.
  • Smart cards are roughly classified into memory type smart cards, microprocessor built-in smart cards, and interactive smart cards.
  • Memory type smart card is a smart card that does not have a built-in microprocessor, and there is a method that includes security logic in addition to the memory that is mainly used in the fields that can be treated as securities such as public telephone cards or goods purchase rights. There is also a built-in memory for pure data storage, such as health insurance cards.
  • a smart card with a built-in microprocessor is a smart card that performs advanced functions such as judgment, operation, and data protection by embedding a microprocessor and memory.
  • An interactive smart card is equipped with a microprocessor, memory, I / O protocol, and application programs It is a smart card that can transmit information interactively.
  • the size of the RFID antenna has been relatively small in recent years due to the tendency of the display to grow as large as the front part of the terminal due to the development of display technology, UI, product design, and the like.
  • a wireless contactless RF card has already established itself as a representative payment method in place of money.
  • RF passive cards (hereinafter referred to as RF cards)
  • RF cards It is common to perform data communication with an RF reader using a half-duplex method or a full-duplex method.
  • the reference resonant frequency, power supply method, and data transmission method used are determined by the specifications of the RF chip indicated by the data carrier, matching the resonant frequency with the RF reader antenna, and smooth power with the reader such as induced electromotive force and sensitivity.
  • the communication interaction may be determined by the design and the material of the passive antenna represented by the coupling element.
  • a prepaid transportation card issued by a bus transportation card operator and a credit card postpaid transportation card issued by a particular credit card company.
  • the RF reader terminal does not know which of the two cards to pay, so even if you make an error or pay with one card Does not know what card it is.
  • the user should select a card to be paid and withdraw it from the wallet and make a payment to the RF reader terminal separately.
  • Some RF passive card chips have a kind of anti-collision function that can distinguish each other when they are on a single RF reader, but the reader communicates with one card at a time for communication between the card and the reader. In the above case, it is possible to make a payment for both cards. Therefore, when a plurality of identical function cards exist, it is normal to handle an error and not make a payment.
  • An object of the present invention for solving this problem is to provide an RF card activating device for making a payment to a card desired by the user from a plurality of RF passive cards.
  • the present invention also provides an RF card activation apparatus for distinguishing cards that do not want data communication with an RF reader among a plurality of RF passive cards so as not to communicate with each other, and allowing only one card to communicate with the reader. For other purposes.
  • An RF card activating apparatus using a selection device that enables a first RF card of the present invention to communicate with an RF reader and a second RF card to be incapable of communicating with an RF reader to solve the above problem is the first RF card and the It can be achieved by interposing between the second RF card.
  • the select device is formed on one side of the magnetic force-enhancing layer of the ferrite composite material, the other side is generated due to the external magnetic field eddy current (eddy current) is generated to form the magnetic field lines opposite to the external magnetic field, aluminum, silver, copper, Or a radio wave shielding layer having a metal surface of any one of nickel or a metal surface of a composite material including a metal component.
  • the selective device may be formed on both sides of the magnetic force-reinforcement layer and the interference prevention layer on one side of the substrate, or formed on different substrates and then bonded to each other, the magnetic force-reinforcement layer and the interference prevention layer is formed of a plastic material Laminating on both sides of the substrate or sheet, laminating a plastic material substrate or sheet for printing or marking on the magnetic force reinforcing layer and the electromagnetic wave shielding layer, respectively, and then on top of the transparent plastic material substrate or sheet for overlay It is preferable to use.
  • the selection device may further include a magnetic force reinforcing layer in a space outside the card reader, parallel to the direction of the card reader, and a wave interference layer on the opposite surface, and may include a magnetic force reinforcing layer and a wave interference layer. Different colors are displayed.
  • the selection device includes a first pocket on the front surface of the magnetic force reinforcing layer and a second pocket on the front surface of the interference prevention layer, and the center of the RF card accommodated in the second pocket is stored on the central axis of the interference prevention layer. .
  • the RF card activation apparatus of the present invention when using a public transport such as bus, subway, taxi by holding a plurality of RF cards, the user pulls out a specified card separately due to a recognition error or error processing of the payment RF reader. This can address the concerns of personal security exposure, such as the time and behavioral user inconvenience that needs to be confirmed, and the opening of wallets among many people.
  • the card designated by the user with the external RF reader is most used as a means of public transportation, and at the same time located on the front of the wallet or pocket that stores the card Cards are very likely to be the most used means of payment for cards withdrawal and payment in other data interfaces such as magnetic readers or ISO7816 based contact IC card readers, rather than RF readers. It can be an effective way to meet the aggressive marketing of credit card companies that encourage card use.
  • the RF card activation device of the present invention as a way to minimize the inconvenience of the user and increase the usability of a particular card from a number of cards, the user of the same function without having a separate card withdrawal Only the desired card can be used as a payment or communication card.
  • FIG. 1 is a block diagram showing a conventional RF card wireless lead device
  • FIG. 2 is a configuration diagram of an RF reader for an RF card
  • FIG. 3 is a cross-sectional view of a selection device of the present invention.
  • FIG. 4 is a view for explaining the use example of the present invention RF card activation device
  • FIG. 5 is a view for explaining another use example of the present invention RF card activation device
  • FIG. 6 is a cross-sectional view illustrating another embodiment of a selection device
  • FIG. 7 is a cross-sectional view illustrating yet another embodiment of a selection device.
  • the present invention provides a device for activating an RF card using a selection device that enables a first RF card to communicate with an RF reader and a second RF card to communicate with an RF reader, wherein the selection device is configured to communicate with the first RF card.
  • An object of the present invention is to provide an RF card activation device, which is interposed between a second RF card.
  • first item, second item and / or third item may be given from two or more of the first, second or third items as well as the first, second or third items. Any combination of the possible items.
  • an identification code (eg, a, b, c, ...) is used for convenience of description, and the identification code does not limit the order of the steps. Unless the context clearly dictates a particular order, it may occur differently from the stated order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.
  • FIG. 1 is a block diagram showing a conventional RF card wireless lead reader.
  • the contactless RF card reader 20 may include an RF antenna 21, an RF reception and card recognition unit 22, and a wireless transceiver 24.
  • the authentication display unit 23 is configured.
  • the wireless transceiver 24 transmits and receives data from the RF card 10 read from the RF reader 20 to the host computer 30 through the RS232C wireless port 34 mounted to the host computer.
  • the RF card 10 has an RF-IC chip and an RF antenna embedded therein, and the RF receiver 22 receives data from all contactless cards complying with the ISO 14443 standard.
  • the RF receiver 22 preferably includes an extended memory area (approximately 16 MB) capable of accommodating each specific code value system in order to recognize various types of RF cards.
  • the wireless transceiver 24 may wirelessly transmit and receive data of the RF card read through the RF antenna 21 and the RF receiver 22 to a host computer (not shown), and uses a frequency of 2.4 GHz.
  • the authentication display unit 23 is composed of three LEDs and one buzzer, and the combination thereof may output a result.
  • the host computer for transmitting and receiving data wirelessly with the RF card reader 20 is received through the RF receiver 22 of the RF card reader 20, and transmitted through the wireless transceiver 24 is received via the RS232C radio port
  • the identification data of the user is compared with the data stored in the user authentication information storage unit of the host computer to determine whether the user is an authenticated user, and to transmit another signal to the determined result.
  • the RF card reader is provided with a display 26 for providing information on the front of the body of the terminal (20).
  • the display 26 may be implemented as an FND or a liquid crystal display (LCD).
  • a loop antenna 21 is formed on an outer surface of the front portion of the display 26, and an electromagnetic shielding portion for removing electromagnetic interference is formed on the rear portion of the display 11.
  • the electromagnetic shielding portion is formed on the rear side of the display 25, but is formed on the display bezel portion.
  • the RF card 10 wirelessly transmits and receives data to and from the RF card reader 20, so that the user has the same function, that is, a plurality of RF cards that can simultaneously interact with one RF reader.
  • the RF card reader 20 wirelessly transmits and receives data to and from the RF card reader 20, so that the user has the same function, that is, a plurality of RF cards that can simultaneously interact with one RF reader.
  • the RF card activating apparatus of the present invention is to be able to use only one specific card while holding a plurality of cards in the wallet.
  • the selection device 100 is formed in a plate shape, one side of the magnetic force of the ferrite composite material
  • the reinforcement layer 110 is formed, and the other surface of the metal surface of any one of aluminum, silver, copper, or nickel is formed so as to generate an eddy current due to an external magnetic field and form a magnetic field line opposite to the external magnetic field.
  • the anti-jamming layer 120 having a metal surface of a composite material including a metal component may be formed and adhered to the adhesive 130.
  • the jamming layer 120 utilizes a metal material having excellent electrical conductivity to block or interfere with transmission and reception of the RF reader.
  • the metal In the magnetic field formed from the antenna of the RF reader, the metal generates edit current under the influence of magnetic flux. It attenuates the magnetic field so that communication with an RF card placed on metal is impossible.
  • the metal used herein may be any material as long as it is an easy generation of edicurrant. However, in consideration of compatibility and economical efficiency, a thin film copper (Cu), aluminum (Al), gold (Au), silver (Ag), It is also possible to use platinum (Pt) or the like or to use conductive composite materials such as alloys and carbon nanotubes.
  • RF cards that do not want to be transmitted or received are placed on one side of the above metal layer or a layer made of an electrically conductive composite material and, if possible, the opposite side of the metal layer or the composite material layer is directed toward the RF reader, thereby interfering with radio waves. It may be the most effective way.
  • the electromagnetic interference enhancement layer 110 is provided between the radio interference layer 120 and the RF reader.
  • a ferrite layer which is a radio absorber, is placed between the ferrite layer and the RF reader to communicate with the RF reader.
  • the ferrite layer used is a soft magnetized ceramic material composed of a composite material or crystals of divalent metals such as NiO, ZnO, MnO, and Fe 2 O 3 can be made by a manufacturing method such as sintering, printing, dam-and-pill method.
  • general metals have a resistance of 10 -5 to 10 -4 ⁇ m
  • the availability of the ferrite material should be determined by referring to the available frequency.
  • the RF card activating apparatus of the present invention has a plate shape interposed between the first RF card 210 and the second RF card 220, a selection device composed of the magnetic force strengthening layer 110 and the interference prevention layer 120, the magnetic force
  • the first RF card 210 mounted on the reinforcement layer 110 is configured to be able to communicate with the RF reader 20, and at least one second RF card 220 is configured to be unable to communicate with the RF reader 20. .
  • the interference prevention layer 120 performs radio wave transmission and reception interference so as not to communicate with the RF reader by distinguishing cards that do not want to pay, that is, data communication with the RF reader, from among the plurality of RF cards.
  • One card that wants data communication with the reader is mounted on the magnetic force reinforcing layer 110 so as not to interfere with radio wave transmission and reception so that the RF reader can transmit and receive only one specific card.
  • the present invention minimizes user inconvenience and increases the usability of a particular card from various cards.
  • the user pays only a desired card among various RF cards having the same function without a separate card withdrawal. It can be used as a communication card.
  • the selection device 100 is illustrated as being formed by forming the magnetic force reinforcing layer 110 and the interference preventing layer 120 on different substrates, and then bonding them to each other using an adhesive layer 130. Of course, it can also be formed on both sides of the substrate on one side.
  • the present invention provides a separate layer of a plastic material sheet such as PVC, PET, PETG, ABS, PC for bonding, printing, or depositing two materials by bonding the two materials between the metal material layer, which is a radio wave interference layer, and the ferrite layer, which is a magnetic force strengthening layer. It is also possible to configure and use, or to have an adhesive layer between the layers without a separate material layer.
  • a plastic material sheet such as PVC, PET, PETG, ABS, PC for bonding, printing, or depositing two materials by bonding the two materials between the metal material layer, which is a radio wave interference layer, and the ferrite layer, which is a magnetic force strengthening layer. It is also possible to configure and use, or to have an adhesive layer between the layers without a separate material layer.
  • the magnetic force reinforcing layer 110 and the interference prevention layer 120 are laminated on both sides of the plastic material substrate or sheet 140 and bonded to the adhesive layer 130 (see FIG. 6), or the magnetic force reinforcing layer 110 and Laminating the plastic material substrate or sheet 150 for printing or marking on the radio interference layer 120, and the transparent plastic material substrate or sheet 160 for the overlay thereon to print or mark the information. It can also be configured to protect (see Figure 7).
  • each layer is illustrated as being bonded to the adhesive layer 130 in the drawings, the present invention is not limited thereto, and may be configured by thermocompression bonding.
  • the selection device 100 forms a magnetic force reinforcing layer 110 in parallel to the direction toward the card reader 20 in a space located outside the card reader 20, the radio wave interference layer 120 on the opposite side Should be formed.
  • the user who holds the card designates the second RF card 220 that does not want to use the payment with the RF reader.
  • the first RF card 110 is arranged in a purse or pocket so that they overlap each other and are almost concentric and the edges also almost coincide, the external RF reader antenna position is taken into account and the position of the designated first RF card and the unspecified second RF Depending on the position of the cards, their position must be determined and placed.
  • the first RF card 210 is disposed to be positioned closest to the RF reader antenna, but the first RF card 210 is positioned on the upper surface of the magnetic force reinforcing layer 110 and the radio wave is the opposite surface.
  • the unspecified second RF cards 220 are positioned at the bottom of the bottom surface of the interference layer 120.
  • the selection device 100 and the RF cards of the present invention all need to be arranged to be concentric and coincide with corners, which is unnecessary due to irregular arrangement of the radio interference and unexpected communication with the RF reader. This is to avoid communication failure.
  • an unspecified second RF card 220 that a user carrying a card does not want to use for payment with an RF reader is arranged in a wallet or pocket such that the second RF cards 220 overlap with each other and are almost concentric with the corners.
  • the location of the selection device of the present invention and its relative arrangement is Explain how to do it.
  • the first RF card 210 should be arranged in parallel with each other in the vertical direction closest to the RF reader antenna face in the vertical direction, and the center of the bundle of the unspecified second RF cards 220 should be arranged to be concentric with the antenna center. Position the lower end of the jamming layer 120 of the present invention at the top and likewise adjust the corners to match the bundle and the center and corners to insert in a specific insertion portion or pocket position in the wallet magnetic force strengthening layer 110 It is desirable to insert the above described designated first RF card 210 into an insert or pocket located at an eccentric position.
  • the lower end portion of the designated first RF card 210 is disposed closer to the RF reader antenna surface portion in the vertical direction than the upper end portion of the magnetic force reinforcing layer 110 of the present invention arranged as a bundle with the unspecified second RF cards 220. It may be necessary for a smooth data transmission and reception so that the insertion part may be well defined and the number of second RF cards not properly adjusted may be inserted.
  • the number of unspecified second RF card 220 is also limited for stable and reliable communication between the designated first RF card 210 and the RF reader in practical use.
  • the appropriate quantity may vary depending on the type of wallet or pocket used, the user's habits, and the environment in which the RF reader antenna is installed.
  • additional selection devices 100 of the present invention may be inserted between the unspecified second RF cards as shown in the drawing.
  • the selection device 100 of the present invention is preferably made to have an external size of the credit card standard and to make the thickness a little thinner.
  • the metal or composite material thin film is as flexible as possible but can be said to be suitable to maintain shear durability that is not wrinkled and not restored or torn.
  • the size of the magneto-enhanced layer should be larger than the antenna located in the designated first RF card to reduce the attenuation of the magnetic field from the RF reader, and the size and shape of the magneto-enhanced layer should be similar to that of the electromagnetic interference layer. Can be effective in reducing radio interference and unnecessary magnetic field attenuation.
  • the center of the RF card accommodated in the second pocket is the interference prevention layer 120. It should be stored on the central axis of.
  • the selection device 100 may display the magnetic force reinforcing layer and the interference prevention layer by color so that the user can easily identify the magnetic force reinforcing layer and the interference prevention layer.
  • the magnetic force reinforcement layer 110 is safe.
  • the interference blocking layer 120 is displayed in red, which means that it cannot be used.
  • the present invention can be applied to the field of RF card activation device that can be used as a payment or communication card only with a specific RF card when holding a plurality of RF cards.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Accounting & Taxation (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Electromagnetism (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne un dispositif d'activation de carte RF. La présente invention comprend un dispositif de sélection prenant la forme d'une plaque de telle sorte qu'une surface de celui-ci a une couche d'amélioration de force magnétique d'un matériau composite de ferrite, et l'autre surface a une couche de brouillage, qui génère un courant de Foucault provoqué par un champ magnétique externe et a une surface métallique constituée d'aluminium, d'argent, de cuivre ou de nickel ou une surface métallique constituée d'un matériau composite comprenant un composant métallique, formant ainsi une ligne de force magnétique opposée au champ magnétique externe, et ainsi une carte RF désignée et une carte RF non désignée sont stockées séparément de façon à être facilement utilisables même sans retirer une carte spécifique d'un portefeuille.
PCT/KR2017/005442 2017-02-13 2017-05-25 Dispositif d'activation de carte rf Ceased WO2018147509A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170019207A KR20180093309A (ko) 2017-02-13 2017-02-13 Rf카드 활성화 장치
KR10-2017-0019207 2017-02-13

Publications (1)

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WO2018147509A1 true WO2018147509A1 (fr) 2018-08-16

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WO (1) WO2018147509A1 (fr)

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Publication number Priority date Publication date Assignee Title
KR200389190Y1 (ko) * 2005-04-04 2005-07-08 노영섭 Ｉｃ 카드용 전자파 차폐 시트
KR200447574Y1 (ko) * 2009-07-06 2010-02-11 조영서 전자파 선택 차단용 지갑
KR100988046B1 (ko) * 2009-07-28 2010-10-18 두성산업 주식회사 전자파 차폐 카드
KR20130127103A (ko) * 2012-05-14 2013-11-22 한국세라믹기술원 무소결 페라이트 세라믹 후막을 이용한 전자파 차폐시트
US9013185B2 (en) * 2011-03-07 2015-04-21 Robert W. Brown Optimized RF shield design

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100964553B1 (ko) 2008-04-10 2010-06-21 삼성에스디에스 주식회사 통합형 ｒｆ카드리더기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200389190Y1 (ko) * 2005-04-04 2005-07-08 노영섭 Ｉｃ 카드용 전자파 차폐 시트
KR200447574Y1 (ko) * 2009-07-06 2010-02-11 조영서 전자파 선택 차단용 지갑
KR100988046B1 (ko) * 2009-07-28 2010-10-18 두성산업 주식회사 전자파 차폐 카드
US9013185B2 (en) * 2011-03-07 2015-04-21 Robert W. Brown Optimized RF shield design
KR20130127103A (ko) * 2012-05-14 2013-11-22 한국세라믹기술원 무소결 페라이트 세라믹 후막을 이용한 전자파 차폐시트

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